It is time for an admission. I am addicted to hybrids.
Rather, it's probably more fair to say that I am addicted to complexity. Building characters with a large amount of interlocking parts is simply more fun-for myself-than building characters that don't have a large amount of interlocking parts. So much for "Elegance in Simplicity."
As thus, it pains me to say this but, "Hybrids are fundamentally broken."
Fundamentally, the game was not designed with hybrids in mind-feat requirements have assumed you're one class, possibly two, not three. But it's worse than that-the root underlying concept of hybrids doesn't hold up.
Here's the idea: When you're a hybrid, the obvious intention is that, in order to get the benefit of your hybrid, you have to be doing something that covers that half of the hybrid. Ranger quarry? Gotta use a ranger power. Sneak Attack? Rogue. Combat Challenge? Have to use a fighter power.
Except that, in practice, there's just way too many ways of getting around this restriction. Minor action attacks, MORE minor action attacks, marking an enemy through a means other than Combat Challenge-hybrids aren't "Two different characters as one" so much as "My class And More!"
Is there a solution? Probably. Have I determined what it is just yet? Not really. Is the mere existence of hybrids a threat to the very solidity of 4th edition? Not really. But when the root is rotten, you can expect to get some twisted results. As they say: Garbage In, Garbage Out.